[5.6] Makes multiple calls to specific DDLs throw an Exception in SQLite#22364
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GrahamCampbell
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After spending almost 2 hours trying to determine why my down closure was failing to remove four columns from an SQLite database, I tracked down #15042, which states that this is a limitation.
This PR checks to see if we're on a SQLite connection and checks how many of the commands supplied are dropColumn or renameColumn, and if there's more than 1, it throws a BadMethodCallException to alert the user to this fact.